This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding-type lug. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Do not open the unit when it is connected to the mains. The unit contains non-insulated parts, which can cause electric shock. Caution There are no user-serviceable parts inside the unit. Service must be done by qualified personnel. Bosch Security Systems | 2003-09 | 3922 988 25012en...
VOX switching available for the main microphone. The output signal can be switched to two different zones with individual attenuation control. A third zone receives only priority calls and no music. Bosch Security Systems | 2003-09 | 3922 988 25012en...
LBB 1950) and switched off for dynamic microphones. Phantom on Phantom off Switches the phantom power supply for microphone 2. Phantom on Phantom off Switches the phantom power supply for microphone 3. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Do not put any other equipment directly on top of this unit. The ambient temperature should not exceed 45 °C. Mounting of the unit in 19”-racks is not recommended as often the temperature in these racks will exceed 45 °C. Bosch Security Systems | 2003-09 | 3922 988 25012en...
The FM input must be connected to an antenna or cable network with a COAX cable of 75 Ohm. A connector for the FM input is provided with the unit. The AM input can be connected to the loop-antenna delivered with the unit. Bosch Security Systems | 2003-09 | 3922 988 25012en...
4. When no priority or VOX mode has been selected, microphone 1 will just mix with the background music or the other microphones to the selected zones. Bosch Security Systems | 2003-09 | 3922 988 25012en...
8Ω 100V 8Ω Call/music 8Ohm 8Ohm Zone 2 115/230V Call active T2.5L250V(230V~) 100V T5L250V(115V~) Zone 1 Zone 2 Call active Zone Call Only Zone 1 Zone 2 Figure 4.4 Figure 4.5 Bosch Security Systems | 2003-09 | 3922 988 25012en...
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It is not recommended to use both low impedance loudspeakers and 100 V-loudspeakers simultaneously. Multiple low impedance loudspeakers should be connected in series or parallel so that the total impedance is more than 8 Ohm. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Use the supplied mains cord to connect the system to the mains supply. Note If necessary set the switch 115/230 V to the required voltage using a sharp object, e.g. a small screwdriver. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Use the tuner FM/AM selection key (13) to choose between FM and AM reception. • Use the tuner frequency up/down keys (12) to step up or down in frequency. Prolonged pressing makes the tuner search for the next station. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Repeating all MP3-tracks within the current folder. The display shows ' '. Repeating all tracks (MP3: in all folders). The display shows ' Random playing of tracks (MP3: in all folders). The display shows 'RANDOM'. Bosch Security Systems | 2003-09 | 3922 988 25012en...
As the reflectivity of a CD-RW (CD-Rewritable) is far below that of a CD and a CD-R, playback of CD-RW's is not guaranteed. On the CD-R the ISO-9660 file system should be used. Do not use the UDF file system. Bosch Security Systems | 2003-09 | 3922 988 25012en...
Acoustic noise level of fan <35 dBSPL @ 1 m, temperature controlled Dimensions 144 x 430 x 320 mm (19” wide, 3U high) Weight approx. 11.6 kg Rack building not recommended Bosch Security Systems | 2003-09 | 3922 988 25012en...